wrong binary-relation

[amebel]

For the sentence "He is afraid of doing too much." the relex output is

Dependency relations:
_predadj(he, afraid)
_obj(do, much)
_subj(do, of)
_advmod(much, too)

_subj(do, of) is wrong.

[linas]

what should it be?

[amebel]

I think it should be _subj(do, he) , right?

[linas]

I think it should be _subj(do, he) , right?

Well, that can't be right: because then the meaning becomes "he is doing
too much, he is afraid".

Compare to: "He is afraid of goats."

 _predadj(he, afraid)
of(afraid, goat)

I conclude the correct answer is:

of(afraid, doing)

[linas]

By the way, this is an example of a curious linguistic phenomenon, the "null subject" in English. The dependent clause "doing too much" doesn't have a subject. In English, the dominant clause always has a subject, and so relex gets confused, and assigns one. However, in English, dependent clauses can have null subjects: the implied subject is indeed "he", which is why you wrote " _subj(do, he)" -- in a certain way, you were correct.

The problem with your answer is that, if used to generate a new sentence, it would generate "he is doing too much, he is afraid". The of(afraid,doing) is critical to get it right.

Now that I think about it, the correct answer is to generate both _subj(do, he) and of(afraid, goat).

For more info: http://en.wikipedia.org/wiki/Null-subject_language